Federer and Wawrinka win

Tiafoe, who grew up in the tennis-friendly area of College Park, Maryland began, like numerous best players today, very early. Federer-Kyrgios is a rematch - sort of - from this year's quarterfinals at Indian Wells, a match where Kyrgios withdrew beforehand with an illness.

While both the Williams siblings seem to have plugged the wormhole of time - Venus more so than Serena this year, so far - the elder Williams hasn't remained impervious to the passage of age.

Said del Potro: "At the moment, [Federer's] backhand is better still than before because his legs are moving faster than years ago". EPA/ERIK S. LESSERRoger Federer of Switzerland in action against Juan Martin del Potro of Argentina during their third round match of the Miami Open tennis tournament on Key Biscayne, Miami, Florida, USA, 27 March 2017.

Federer conceded that he has ridden his luck at times to advance.

Roger Federer's impressive return from injury has prompted talk of his possible return to number one in the world, but the 18-time Grand Slam victor says looking after his body is far more important than chasing the rankings positions. Or, as she put it in classic Konta-speak after beating Williams: "I'm just very pleased that I was able to capitalise on a few more opportunities than her".

This time, it was Williams who had to maintain her composure at the crucial moments as she saved a massive amount of five break points in the third game of the set, preventing herself from lagging behind on the scoreboard as she continued the string of service holds. "And then it kind of went more and more during the match".

On Monday afternoon, he reached the Round of 16 with a clinical 6-3, 6-4 dispatching of popular Argentine Juan Martin del Potro. "He played the break points better, that was the difference". In 2011, he made it back to No11, enough to earn the ATP's Comeback Player of the Year award, but played Federer just once. "I was watching his match against Querrey a lot today, and he competes so well, plays a ton of tournaments and he's really just match-tough".

Beyond Bautista Agut will be either Tomas Berdych, who had an easy win over Gilles Muller, 6-3, 6-4, or the unseeded Adrian Mannarino, who came through 2hrs 38mins against Borna Coric, 6-4, 2-6, 6-6 (3).

Federer was yesterday to face Nick Kyrgios after the 12th seeded Australian edged German teenager Alexander Zverev 6-4, 6-7, (11/9), 6-3 in an evening quarter-final, finally clinching victory on his sixth match point.

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